**Responsibilities** * Develop and maintain .NET (C#) applications * Create and consume REST APIs * Integrate systems and databases * Fix bugs and improve performance * Participate in code reviews and technical discussions **Requirements** * Experience with .NET / C# * Knowledge of ASP.NET / .NET Core * Experience with SQL Server or PostgreSQL * Git and version control * Understanding of architecture and best practices **Nice-to-have** * Experience with Azure * Knowledge of microservices * Automated testing Job type: Freelance / PJ Contract duration: 24 months Compensation: R$2.812,17 – R$29.915,77 per month